RIAspire UNO R3 Master Beginner Starter Kit for Arduino DIY Discovery - 25 Sensors with RFID, Ultrasonic, Temperature, HC 05 Bluetooth, ESP8266 Wifi - PDF Tutorials Includes Generic Arduino-Compatible UNO R3 Board. Tested and functionally identical to original Arduino UNO Ultrasonic, RFID system, atmospheric pressure sensor, compass, alcohol and combustible gas sensor, remote, voice recording module, relay 25 sensors, 9 LED colors, digital displays, clocks, wifi and bluetooth capability, accessories like photoresistor, buzzer, transistor Beginner and advanced components for learning programming while experimenting with various sensor input and output Customer service, tech support included - we help you get moving - answer any questions